Use mobile phones to teach the ancients to do infrastructure

Chen Bo returned to ancient times and was in a difficult situation.It doesn't matter, I picked up my mobile phone and started online education. ...Dagan Kingdom, the Imperial Palace.Qi Zheng picked up a magical stone slab, square and square, of unknown material, with light flickering from time to time, as if it could breathe.The most amazing thing is that there is a shameless monster living inside, with disheveled clothes, posing and charming all living beings.But Qi Zheng had to accept the charm of the monster inside the stone slab, because... "The livestock breeding manual is free, and the seven-day teaching package will be included." "The secret book on increasing grain production, buy one get one free." A set?" Content tags: Farming across time and space Wen Shuang Wen Infrastructure┃ Search keywords: Protagonist: Chen Bo; Qi Zheng┃ Supporting role: